package logger;

import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;

import java.util.Arrays;

@Aspect
public class AroundLogger {
    private static final Logger log=Logger.getLogger(AroundLogger.class);

    @Around("execution(* service.UserService.*(..))")
    private Object aroundLogger(ProceedingJoinPoint jp) throws Throwable {
        log.info("调用 "+jp.getTarget()+" 的 "+jp.getSignature().getName()+" 方法。方法入参："+ Arrays.toString(jp.getArgs()));
        try {
            Object result=jp.proceed();
            log.info("调用 "+jp.getTarget()+" 的 "+jp.getSignature().getName()+" 方法。方法返回值："+result);
            return result;
        } catch (Throwable e) {
            log.error(jp.getSignature().getName()+" 方法调用异常。异常信息："+e);
            throw e;
        }finally {
            log.info(jp.getSignature().getName()+" 方法调用结束。");
        }
    }
}
